Home / 10,890,025.20-16,335,037.80-7,306,844.40

Finding the Fourth Proportional to 10,890,025.20, 16,335,037.80 and 7,306,844.40

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Solution

The fourth proportional to 10,890,025.20, 16,335,037.80 and 7,306,844.40 is: 10,960,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,025.20 : 16,335,037.80 = 7,306,844.40 : x
  2. Step 2: Convert to fraction form
    10,890,025.20/16,335,037.80 = 7,306,844.40/x
  3. Step 3: Cross multiply
    10,890,025.20x = 16,335,037.80 × 7,306,844.40
  4. Step 4: Simplify right side
    10,890,025.20x = 119,357,579,472,718.33
  5. Step 5: Solve for x
    x = 119,357,579,472,718.33/10,890,025.20
  6. Step 6: Final answer
    x = 10,960,266.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.